Home / 283,678.12-391,447.77-168,933.94

Finding the Fourth Proportional to 283,678.12, 391,447.77 and 168,933.94

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Solution

The fourth proportional to 283,678.12, 391,447.77 and 168,933.94 is: 233,112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,678.12 : 391,447.77 = 168,933.94 : x
  2. Step 2: Convert to fraction form
    283,678.12/391,447.77 = 168,933.94/x
  3. Step 3: Cross multiply
    283,678.12x = 391,447.77 × 168,933.94
  4. Step 4: Simplify right side
    283,678.12x = 66,128,814,090.31
  5. Step 5: Solve for x
    x = 66,128,814,090.31/283,678.12
  6. Step 6: Final answer
    x = 233,112.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.